./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label31_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label31_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1526c68070720602d1aaf18c59ad5d7427388bd5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:00:38,292 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:00:38,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:00:38,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:00:38,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:00:38,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:00:38,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:00:38,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:00:38,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:00:38,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:00:38,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:00:38,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:00:38,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:00:38,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:00:38,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:00:38,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:00:38,308 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:00:38,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:00:38,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:00:38,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:00:38,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:00:38,312 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:00:38,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:00:38,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:00:38,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:00:38,314 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:00:38,314 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:00:38,315 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:00:38,315 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:00:38,316 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:00:38,316 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:00:38,316 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:00:38,316 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:00:38,316 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:00:38,317 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:00:38,317 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:00:38,317 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:00:38,324 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:00:38,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:00:38,324 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:00:38,325 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:00:38,325 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:00:38,326 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:00:38,326 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:00:38,326 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:00:38,326 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:00:38,326 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:00:38,326 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:00:38,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:00:38,326 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:00:38,326 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:00:38,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:00:38,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:00:38,327 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:00:38,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:00:38,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:00:38,328 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:00:38,328 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1526c68070720602d1aaf18c59ad5d7427388bd5 [2018-12-09 12:00:38,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:00:38,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:00:38,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:00:38,359 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:00:38,360 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:00:38,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label31_true-unreach-call.c [2018-12-09 12:00:38,394 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/data/662d47062/bad66a2e430449d09f1eb9a5c4dd9fe9/FLAGec8e84f82 [2018-12-09 12:00:38,838 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:00:38,839 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/sv-benchmarks/c/eca-rers2012/Problem10_label31_true-unreach-call.c [2018-12-09 12:00:38,845 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/data/662d47062/bad66a2e430449d09f1eb9a5c4dd9fe9/FLAGec8e84f82 [2018-12-09 12:00:38,854 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/data/662d47062/bad66a2e430449d09f1eb9a5c4dd9fe9 [2018-12-09 12:00:38,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:00:38,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:00:38,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:00:38,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:00:38,860 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:00:38,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:00:38" (1/1) ... [2018-12-09 12:00:38,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:38, skipping insertion in model container [2018-12-09 12:00:38,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:00:38" (1/1) ... [2018-12-09 12:00:38,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:00:38,891 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:00:39,085 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:00:39,088 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:00:39,192 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:00:39,205 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:00:39,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39 WrapperNode [2018-12-09 12:00:39,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:00:39,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:00:39,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:00:39,206 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:00:39,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:00:39,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:00:39,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:00:39,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:00:39,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... [2018-12-09 12:00:39,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:00:39,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:00:39,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:00:39,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:00:39,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:00:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:00:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:00:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 12:00:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 12:00:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:00:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:00:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:00:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:00:39,887 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:00:39,887 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 12:00:39,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:39 BoogieIcfgContainer [2018-12-09 12:00:39,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:00:39,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:00:39,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:00:39,889 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:00:39,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:00:38" (1/3) ... [2018-12-09 12:00:39,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:00:39, skipping insertion in model container [2018-12-09 12:00:39,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:39" (2/3) ... [2018-12-09 12:00:39,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:00:39, skipping insertion in model container [2018-12-09 12:00:39,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:39" (3/3) ... [2018-12-09 12:00:39,891 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label31_true-unreach-call.c [2018-12-09 12:00:39,897 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:00:39,903 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:00:39,912 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:00:39,931 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:00:39,932 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:00:39,932 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:00:39,932 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:00:39,932 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:00:39,932 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:00:39,932 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:00:39,932 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:00:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-09 12:00:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 12:00:39,949 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:39,949 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:00:39,951 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:39,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:39,954 INFO L82 PathProgramCache]: Analyzing trace with hash -721063394, now seen corresponding path program 1 times [2018-12-09 12:00:39,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:00:39,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:39,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:39,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:39,985 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:00:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:40,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:00:40,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:00:40,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:00:40,110 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:00:40,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:00:40,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:00:40,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:00:40,123 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-09 12:00:40,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:00:40,590 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-09 12:00:40,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:00:40,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-12-09 12:00:40,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:00:40,601 INFO L225 Difference]: With dead ends: 571 [2018-12-09 12:00:40,601 INFO L226 Difference]: Without dead ends: 294 [2018-12-09 12:00:40,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:00:40,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-09 12:00:40,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-09 12:00:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-09 12:00:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 441 transitions. [2018-12-09 12:00:40,646 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 441 transitions. Word has length 49 [2018-12-09 12:00:40,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:00:40,646 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 441 transitions. [2018-12-09 12:00:40,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:00:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 441 transitions. [2018-12-09 12:00:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 12:00:40,648 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:40,648 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:00:40,649 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:40,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:40,649 INFO L82 PathProgramCache]: Analyzing trace with hash 134686653, now seen corresponding path program 1 times [2018-12-09 12:00:40,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:00:40,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:40,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:40,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:40,650 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:00:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:00:40,764 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:00:40,764 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:00:40,765 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-12-09 12:00:40,766 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [301], [303], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 12:00:40,788 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:00:40,788 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:00:41,039 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:00:41,040 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 708 root evaluator evaluations with a maximum evaluation depth of 14. Performed 708 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 12:00:41,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:41,047 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:00:41,311 INFO L227 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 73.71% of their original sizes. [2018-12-09 12:00:41,311 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:00:41,335 INFO L418 sIntCurrentIteration]: We unified 125 AI predicates to 125 [2018-12-09 12:00:41,336 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:00:41,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:00:41,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-12-09 12:00:41,336 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:00:41,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:00:41,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:00:41,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:00:41,338 INFO L87 Difference]: Start difference. First operand 294 states and 441 transitions. Second operand 6 states. [2018-12-09 12:00:44,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:00:44,987 INFO L93 Difference]: Finished difference Result 726 states and 1093 transitions. [2018-12-09 12:00:44,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:00:44,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-12-09 12:00:44,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:00:44,989 INFO L225 Difference]: With dead ends: 726 [2018-12-09 12:00:44,989 INFO L226 Difference]: Without dead ends: 438 [2018-12-09 12:00:44,989 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:00:44,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-12-09 12:00:44,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 437. [2018-12-09 12:00:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-12-09 12:00:45,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 590 transitions. [2018-12-09 12:00:45,000 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 590 transitions. Word has length 126 [2018-12-09 12:00:45,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:00:45,000 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 590 transitions. [2018-12-09 12:00:45,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:00:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 590 transitions. [2018-12-09 12:00:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 12:00:45,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:00:45,002 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:00:45,003 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:00:45,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:45,003 INFO L82 PathProgramCache]: Analyzing trace with hash -845058623, now seen corresponding path program 1 times [2018-12-09 12:00:45,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:00:45,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:45,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:00:45,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:00:45,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:00:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:00:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 12:00:45,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:00:45,112 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:00:45,112 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-09 12:00:45,112 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [301], [303], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 12:00:45,115 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:00:45,115 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:00:45,436 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:00:45,436 INFO L272 AbstractInterpreter]: Visited 85 different actions 327 times. Merged at 6 different actions 17 times. Never widened. Performed 3054 root evaluator evaluations with a maximum evaluation depth of 14. Performed 3054 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 12:00:45,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:00:45,438 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:00:45,621 INFO L227 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 78.34% of their original sizes. [2018-12-09 12:00:45,621 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:00:45,667 INFO L418 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-12-09 12:00:45,667 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:00:45,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:00:45,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-12-09 12:00:45,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:00:45,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:00:45,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:00:45,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:00:45,669 INFO L87 Difference]: Start difference. First operand 437 states and 590 transitions. Second operand 10 states. [2018-12-09 12:01:01,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:01:01,146 INFO L93 Difference]: Finished difference Result 1179 states and 1722 transitions. [2018-12-09 12:01:01,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 12:01:01,146 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2018-12-09 12:01:01,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:01:01,149 INFO L225 Difference]: With dead ends: 1179 [2018-12-09 12:01:01,149 INFO L226 Difference]: Without dead ends: 891 [2018-12-09 12:01:01,150 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 12:01:01,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-12-09 12:01:01,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 727. [2018-12-09 12:01:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2018-12-09 12:01:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 984 transitions. [2018-12-09 12:01:01,167 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 984 transitions. Word has length 196 [2018-12-09 12:01:01,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:01:01,167 INFO L480 AbstractCegarLoop]: Abstraction has 727 states and 984 transitions. [2018-12-09 12:01:01,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:01:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 984 transitions. [2018-12-09 12:01:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 12:01:01,171 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:01:01,171 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:01:01,171 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:01:01,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:01:01,171 INFO L82 PathProgramCache]: Analyzing trace with hash 781730869, now seen corresponding path program 1 times [2018-12-09 12:01:01,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:01:01,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:01:01,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:01:01,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:01:01,172 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:01:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:01:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 12:01:01,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:01:01,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:01:01,256 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:01:01,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:01:01,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:01:01,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:01:01,257 INFO L87 Difference]: Start difference. First operand 727 states and 984 transitions. Second operand 4 states. [2018-12-09 12:01:01,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:01:01,829 INFO L93 Difference]: Finished difference Result 1589 states and 2251 transitions. [2018-12-09 12:01:01,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:01:01,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 238 [2018-12-09 12:01:01,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:01:01,829 INFO L225 Difference]: With dead ends: 1589 [2018-12-09 12:01:01,829 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:01:01,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:01:01,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:01:01,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:01:01,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:01:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:01:01,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2018-12-09 12:01:01,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:01:01,831 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:01:01,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:01:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:01:01,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:01:01,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:01:02,013 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2018-12-09 12:01:02,065 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:01:02,065 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:01:02,065 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:01:02,065 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-09 12:01:02,065 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 12:01:02,066 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-09 12:01:02,067 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,068 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,069 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-09 12:01:02,070 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-09 12:01:02,071 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 12:01:02,072 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-09 12:01:02,073 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,074 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-09 12:01:02,075 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= ~a10~0 0)) (.cse4 (not (= 23 |old(~a1~0)|))) (.cse5 (= 0 |old(~a10~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse6 (not (= 9 |old(~a19~0)|))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse0 (= 3 |old(~a10~0)|))) (and (or .cse0 (not (= ~a10~0 3))) (or (or (= ~a1~0 23) (not .cse1)) (and (or .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5)) .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse6 .cse4 .cse7 (not .cse5)) (or (= 6 ~a19~0) (not (= 6 |old(~a19~0)|))) (or (or .cse2 .cse3 .cse6 .cse7) (= ~a19~0 9)) (or .cse0 (= 7 |old(~a19~0)|) (not (= 7 ~a19~0))))) [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,076 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-09 12:01:02,077 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 12:01:02,078 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-09 12:01:02,079 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:01:02,080 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-12-09 12:01:02,080 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:01:02,080 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:01:02,081 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 23))) [2018-12-09 12:01:02,081 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-09 12:01:02,081 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (not (= ~a10~0 3)) (= 6 ~a19~0) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-09 12:01:02,081 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-09 12:01:02,081 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-09 12:01:02,081 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (= ~a10~0 3)) (= 6 ~a19~0) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (= ~a19~0 9)) [2018-12-09 12:01:02,081 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-09 12:01:02,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:01:02 BoogieIcfgContainer [2018-12-09 12:01:02,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:01:02,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:01:02,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:01:02,090 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:01:02,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:39" (3/4) ... [2018-12-09 12:01:02,094 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:01:02,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:01:02,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 12:01:02,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:01:02,106 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 12:01:02,106 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 12:01:02,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(a10 == 3) || 6 == a19) || !(14 == a4)) || !(0 == a12)) || !(9 == \old(a19))) || !(23 == \old(a1))) || !(0 == \old(a10))) || a19 == 9 [2018-12-09 12:01:02,173 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dbe3c98e-cc75-4f3e-a3c7-1eec01500ac3/bin-2019/utaipan/witness.graphml [2018-12-09 12:01:02,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:01:02,174 INFO L168 Benchmark]: Toolchain (without parser) took 23317.46 ms. Allocated memory was 1.0 GB in the beginning and 3.9 GB in the end (delta: 2.8 GB). Free memory was 945.3 MB in the beginning and 3.5 GB in the end (delta: -2.6 GB). Peak memory consumption was 294.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:02,174 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:01:02,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:02,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:02,175 INFO L168 Benchmark]: Boogie Preprocessor took 46.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:02,175 INFO L168 Benchmark]: RCFGBuilder took 608.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.0 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:02,175 INFO L168 Benchmark]: TraceAbstraction took 22202.13 ms. Allocated memory was 1.1 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 998.0 MB in the beginning and 3.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:02,175 INFO L168 Benchmark]: Witness Printer took 83.14 ms. Allocated memory is still 3.9 GB. Free memory was 3.6 GB in the beginning and 3.5 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:01:02,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 608.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.0 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22202.13 ms. Allocated memory was 1.1 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 998.0 MB in the beginning and 3.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. * Witness Printer took 83.14 ms. Allocated memory is still 3.9 GB. Free memory was 3.6 GB in the beginning and 3.5 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((!(a10 == 3) || 6 == a19) || !(14 == a4)) || !(0 == a12)) || !(9 == \old(a19))) || !(23 == \old(a1))) || !(0 == \old(a10))) || a19 == 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 22.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 20.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 190 SDtfs, 1735 SDslu, 124 SDs, 0 SdLazy, 1804 SolverSat, 688 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 342 GetRequests, 313 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=727occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9962759554579407 AbsIntWeakeningRatio, 0.14375 AbsIntAvgWeakeningVarsNumRemoved, 13.971875 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 165 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 22 PreInvPairs, 36 NumberOfFragments, 233 HoareAnnotationTreeSize, 22 FomulaSimplifications, 512 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 286 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 605 ConstructedInterpolants, 0 QuantifiedInterpolants, 270461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 233/350 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...